2SB09440P

Single Bipolar Transistors Overview

The Panasonic 2SB0944P is a silicon PNP epitaxial planar power transistor designed for high-current switching applications. It features a TO-220F-A1 package with an isolated flange for direct heat sink mounting. The device supports a maximum collector current of 4A and peak currents up to 8A, with a collector-emitter voltage rating of -80V. Key electrical characteristics include a low collector-emitter saturation voltage of -0.5V at 3A and a transition frequency of 30MHz. It offers a forward current transfer ratio (hFE) ranging from 90 to 260 depending on the rank classification.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage for efficient power switching
• Satisfactory linearity of forward current transfer ratio across operating ranges
• Full-pack package design allowing installation to a heat sink with a single screw

Single Bipolar Transistors Applications

• General electronic equipment
• Office equipment
• Communications equipment
• Measuring instruments
• Household appliances

Single Bipolar Transistors Procurement Notes

Verify the specific hFE rank (Q or P) required for your circuit design, as gain varies significantly between classifications. Confirm the latest product status via official channels, as this component may be subject to lifecycle changes such as planned maintenance or discontinuation. Ensure compliance with RoHS directives if applicable to your manufacturing standards.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring robust PNP switching capabilities with moderate speed. The TO-220F-A1 package facilitates thermal management through direct heatsink attachment. Consider the hFE rank requirements carefully; Rank Q provides lower gain while Rank P offers higher gain. Ensure the operating environment remains within the specified temperature limits to maintain performance stability.

Single Bipolar Transistors Part Context

This transistor is part of Panasonic's discrete semiconductor lineup, specifically engineered for general-purpose power switching tasks. It serves as a complementary device to the 2SD1269 NPN transistor, enabling push-pull configurations in amplifier and driver circuits. The component adheres to standard industrial specifications for reliability in consumer and office electronics.

Single Bipolar Transistors Replacement Considerations

Consult official documentation for verified substitute part numbers. Cross-referencing with similar PNP power transistors requires matching voltage, current, and package specifications.